Phi 4
by Microsoft
[Microsoft Research](/microsoft) Phi-4 is designed to perform well in complex reasoning tasks and can operate efficiently in situations with limited memory or where quick responses are needed. At 14 billion parameters, it was trained on a mix of high-quality synthetic datasets, data from curated websites, and academic materials. It has undergone careful improvement to follow instructions accurately and maintain strong safety standards. It works best with English language inputs. For more information, please see [Phi-4 Technical Report](https://arxiv.org/pdf/2412.08905)
Specifications
Technical details and pricing.
Benchmarks
12 benchmark scores from Artificial Analysis.
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Frequently Asked Questions
What is Phi 4 good for?
Use Phi 4 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Phi 4 cost?
Pricing is based on usage. Current rates are $0.13/1M tokens for input and $0.50/1M tokens for output.
Can I try Phi 4 for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Phi 4 support images or audio?
Phi 4 focuses on text-based tasks.
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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.